Polymorphic ventricular tachycardia (PVT) post coronary artery bypass (CABG) surgery is associated with acute myocardial ischemia, hemodynamic instability, and metabolic derangements. When acute ischemia is suspected, a comprehensive investigation for reversible causes is justified to improve patient outcomes. We present a curious case of incessant, refractory PVT in a patient with an unknown etiology requiring percutaneous coronary intervention (PCI) post CABG. The patient was a 73-year-old female with multiple comorbidities who presented to the hospital with anginal chest pain for one day. Initial electrocardiogram (EKG) showed sinus tachycardia with ST-segment depressions in the inferior-lateral leads. Initial cardiac troponin I was elevated at 28.280 ng/mL. Dual antiplatelet therapy and heparin were started. Urgent coronary angiography revealed significant triple-vessel disease, and she subsequently underwent three-vessel CABG. Her postoperative course was complicated by PVT refractory to all antiarrhythmic therapy and ventricular fibrillatory (VF) arrest with the recovery of spontaneous circulation after defibrillation and amiodarone bolus. Despite normal electrolytes and discontinuation of all QT-prolonging agents, PVT persisted. Urgent coronary angiography revealed a patent venous graft to a previously underappreciated severely stenotic distal segment of the left anterior descending artery (LAD). She underwent PCI of the culprit lesion with the termination of PVT. Although acute graft failure is regularly the culprit for acute myocardial infarction perioperatively, emergent coronary angiography post coronary bypass surgery revealed patent grafts and a previously underestimated severe coronary lesion contributing to ongoing ischemia. Post CABG percutaneous coronary intervention (PCI) yielded a complete resolution of her arrhythmia.Coronavirus disease 2019 (COVID-19) infection has been associated with various complications such as acute respiratory distress syndrome, acute kidney failure, myocardial infection, and thromboembolism. Cold agglutinin syndrome (CAS) has been associated with other viral infections such as Epstein-Barr virus (EBV), but there have been only a few reports of cold agglutination associated with COVID-19. In this report, we describe a case of transient cold agglutinin elevation in a COVID-19-infected patient. A 61-year-old man with hypertension, diabetes mellitus, and end-stage renal disease (ESRD) presented with shortness of breath, cough, and lethargy for five days. A clinical diagnosis of COVID-19 infection was made. https://www.selleckchem.com/products/cevidoplenib-dimesylate.html The COVID-19 RNA qualitative real-time polymerase-chain-reaction (PCR) assay tested positive. During the hospital stay, he had progressive dyspnea requiring intubation and mechanical ventilation. During the third week of hospital stay, an acute drop in the hemoglobin (Hb) level to 4.5 g/dl (baseline Hb 9 g/dl) was observed. The workup for acute anemia revealed a positive result for cold agglutinins, direct antibody test (C3d), and agglutination of the red blood cells were apparent on the peripheral blood smear. Further, cold agglutinin titers peaked during the third week of the onset of illness and significantly declined during the fifth week. These observational findings indicate that cold agglutinin titers might correlate with the disease activity.The Jarisch-Herxheimer reaction (JHR) is a well-described entity most commonly occurring after the treatment of syphilis with penicillin. Patients often experience flu-like symptoms, in addition to worsening of cutaneous manifestations of syphilis. Severe reactions are uncommon but may include signs of exaggerated systemic inflammatory response. We report a case of a 33-year-old male with secondary syphilis who was treated with ceftriaxone and subsequently developed fluid-refractory hypotension requiring vasopressor administration and intensive care unit admission. To our knowledge, this is the first report of severe hypotension as a result of JHR in a patient with syphilis who was treated with cephalosporin antibiotics.We conducted a retrospective analysis of patients with extrapulmonary neuroendocrine carcinomas (EPNECs) to explore the distribution and overall outcomes by different regimens and their primary sites.
We reviewed the outcomes of one of the largest data sets of patients with extrapulmonary small cell carcinomas (EPSCCs) identified at Allegheny General Hospital located in Pittsburgh, Pennsylvania, USA.
Patients diagnosed with grade 3 EPNECs were retrospectively identified. Primary endpoint and epidemiology Overall survival (OS) with different treatment regimens was the primary endpoint. Also, epidemiological factors such as risk factors, race, family history of cancer, and associated comorbidities were recorded.
OS was 16 months in seven patients who received cisplatin/etoposide chemotherapy and 8.5 months in seven patients with carboplatin/etoposide chemotherapy. The commonest primary site was the gastrointestinal tract (GIT). Smoking history association was observed to be 50%. Merkel cell carcinoma (MCC) patients had significantly better OS. Simultaneously, an extensive form ofdisease pattern was also noticed in 94.4% of the patients. Significantly, neutropenic sepsis wasobserved in 71.4% of the patients who were treated with cisplatin/etoposide combination.
EPNECs demonstrated a low response rate to chemotherapy and high rates of distant metastases. Conclusively, brain metastases were rare.
EPNECs demonstrated a low response rate to chemotherapy and high rates of distant metastases. Conclusively, brain metastases were rare.Rhabdomyolysis has many causes; however, hypothyroidism is a rare cause of such a condition. Usually, management is similar in many cases, but some exceptions do exist, especially in the case of hypothyroidism. Thus, we reviewed the literature to investigate further precipitant factors, clinical presentations, complications, management, and prognoses. We report a 19-year-old male with a history of hypothyroidism who was brought in for questionable suicidal ideation. Although asymptomatic, he was found to have an acute kidney injury (AKI). Further investigations revealed significantly elevated levels of creatine kinase (CK) and thyroid-stimulating hormone (TSH) in the setting of medication non-compliance. Management with intravenous (IV) fluids and thyroid hormone replacement resulted in an improvement in AKI and CK levels.